一种快速实现装夹的精密夹具

Abstract

本实用新型公开了一种快速实现装夹的精密夹具，包括夹具本体，夹具本体上对称开设有第一定位槽，两个第一定位槽用于分别对长喷杆定位，两个第一定位槽之间从左至右依次开设有第二定位槽和第三定位槽，第二定位槽和第三定位槽分别对长喷杆定位，以分别对短喷嘴和长喷嘴进行加工。通过设置的两个第一定位槽分别对长喷杆定位，从而便于完成对长喷杆的法兰面的加工，然后通过设置的第二定位槽和第三定位槽分别对长喷杆定位，以分别对短喷嘴和长喷嘴进行加工，使得现场工人可以快速放正长喷杆，轻松装夹，按加工工艺，在三轴加工中心和卧式加工中心上，完成批量加工，长喷杆的质量得到保证，批量生产的尺寸一致性得到保证，大幅降低生产成本。

Claims

1. A precision jig for quick clamping, characterized by, Includes a clamp body (1) for positioning a long spray bar (2); The long spray bar (2) includes a rod (21), and multiple pressure-dividing spray bars (24) are symmetrically arranged on the outer side wall of the rod (21) along its length direction. A flange face (22) perpendicular to each other is provided at one end of the rod (21). Multiple positioning holes (25) are opened on the flange face (22). Short nozzles (23) and long nozzles (26) are respectively provided on the side of the flange face (22) away from the rod (21). The fixture body (1) is symmetrically provided with first positioning grooves. The two first positioning grooves are used to position the long spray bar (2) respectively, so as to process the flange surface (22) of the long spray bar (2). A second positioning groove and a third positioning groove are sequentially provided between the two first positioning grooves from left to right. The second positioning groove and the third positioning groove respectively position the long spray bar (2) so as to process the short nozzle (23) and the long nozzle (26) respectively.

2. The quick set-up precision fixture of claim 1, wherein, The first positioning groove includes a first semi-circular groove (5), and a fixing hole (6) is provided in the first semi-circular groove (5) along its length direction to cooperate with the plurality of pressure-distributing spray rods (24); The first semi-circular groove (5) is connected to a clearance groove (4) at its end; The clearance groove (4) has fixed grooves (3) connected to both sides.

3. The quick set-up precision fixture of claim 1, wherein, The second positioning groove includes a first embedding groove, and a second semi-circular groove (14) is provided in the first embedding groove along its length direction. The second semi-circular groove (14) has first receiving grooves (13) on both sides along its length direction that cooperate with the multiple pressure-distributing spray bars (24). The multiple first receiving grooves (13) are all connected to the second semi-circular groove (14). The first embedding groove has a first vertical groove at its front end, which penetrates the clamp body (1) and is connected to the front side wall of the clamp body (1).

4. The quick set-up precision fixture of claim 3, wherein, The front side wall of the fixture body (1) is provided with a plurality of first recessed holes (12). When the long spray bar (2) is located in the second positioning groove, the flange surface (22) is in contact with the front side wall of the fixture body (1), and the two positioning holes (25) at the upper end correspond to the two first recessed holes (12) at the upper end and are fixed by screws.

5. The quick set-up precision fixture of claim 1, wherein, The third positioning groove includes a second embedding groove (10), and a third semi-circular groove (7) is provided in the second embedding groove (10) along its length direction. The third semi-circular groove (7) has second receiving grooves (11) on both sides along its length direction that cooperate with the multiple pressure-distributing spray bars (24). The multiple second receiving grooves (11) are all connected to the third semi-circular groove (7). The front end of the second embedding groove (10) is connected to a second vertical groove, which is connected to the front side wall of the clamp body (1).

6. The precision fixture for rapid clamping according to claim 5, characterized in that, The front side wall of the fixture body (1) has two second recessed holes (8). When the long spray bar (2) is located in the third positioning groove, the flange surface (22) is in contact with the front side wall of the fixture body (1), and the two positioning holes (25) at the upper end correspond to the two second recessed holes (8) at the lower end and are fixed by screws.

7. The quick set-up precision fixture of claim 6, wherein, The fixture body (1) has two end holes (9), which are located on both sides of the second vertical groove. The two end holes (9) are provided with detachable locking blocks, and the locking blocks are provided with threaded holes coaxial with the end holes (9). When the long spray rod (2) is located in the third positioning groove, the locking blocks press the long spray rod (2) and fix the locking blocks with pins.

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